Mask for administering anesthetics.



PA-TENTED APR.1'7, 1906.

A. ROUSSEAU. MASK FOR ADMINISTERING ANESTHETIGS.

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UNITE STATES Arnn'r ornicn.

MASK FOR ADIVIINISTERING ANESTHETECS.

Specification of Letters Patent.

Patented April 17, 1906.

Application filed July 20, 1905. Serial No- 270,490.

To all whom it may concern:

Be it known that I, ALBERT RoUssEAU, chemist, a citizen of France,residing at 23 Rue Chauffour, Bordeaux, France, have invented new anduseful Improvements in Masks for Administering Anesthetics, of which thefollowing is a specification.

This invention relates to a mask or apparatus for the administration ofanesthetics generally, and particularly for the administration of theanesthetic known as somnoforme, which is a mixture of ethyl chlorid,methyl chlorid, and ethyl bromid.

In the annexed drawings, Figure 1 is a longitudinal section of theapparatus. Fig. 2 is a plan view of same, and Fig. 3 is a section on theline A A of Fig. 1.

The apparatus comprises a mask a of transparent material surrounded by apneumatic ring b, adapted to make a tight joint with the face. Into thecenter of the mask leads a tube 0, divided into two compartments d andc, the lower compartment d being adapted to receive the liquidanesthetic and the upper compartment 6 serving as an inhaling-conduit.At the upper part of said compartment e is located an outwardly-openingvalve 7, serving for the discharge of the respirations charged withcarbonic acid, and thus preventing intoxication.

Into the upper part of the inhaling-conduit lead two tubes g, adapted toreceive, respectively, glass tubes h, containing the liquid anestheticand closed. by a cap 9. Each tube 9 is provided with a spring-rod i,which allows of breaking the point of the corresponding tube h at themoment the apparatus is to be used. l/Vhenthe point of the tube h isbroken, the liquid contained therein flows into the chamber (1 throughthe openings and 7c, provided for this purpose, and during theadministration of the anesthetic the lat ter is inhaled by the patientthrough the orifice 7c and conduit 0. At the end of the latter v isarranged a metal gauze rfor preventing the glass point of the tube h orany other broken glass from being carried along into the mask. Thesecond tube It is only broken when the liquid of the first one has beenexhausted.

To the end of the tube 0 is applied a cap carrying a bladder Z. Thisbladder is arranged to permit the patient to inhale the necessaryquantity of air for inhaling and preventing suffocation.

In cases where it is necessary to produce a long period of anesthesiasomnoforme is used, as stated, to start rapidly the anesthesia, then bymeans of the same apparatus chloroform or ether at will is substitutedfor the somnoforme. For this purpose it is only necessary to pour theliquid. chloroform or other either into the mask a or into one of thetubes g. This liquid flows into the tube a, and the vapors are theninhaled as in the case of somnoforme.

Having now described my invention, what I claim as new, and desire tosecure by Letters Patent, is I 1. An apparatus for administeringanesthetics comprising a mask a of transparent material in combinationwith a tube 0 leading into the center of the mask, a bladder f se curedat the free end of the tube 0, a chamber (1 formed in said tube 0 andadapted to receive the liquid anesthetic, a chamber 6 formed also in thetube a, communicating with the chamber d and connecting the mask withthe bladder, two tubes 9 leading into the upper part of the tube 0 orchamber 6, two glass tubes h containing the liquid anesthetic andarranged respectively in the tube g, and a spring-rod 11 arranged oneach tube g, substantially as and for the purpose set forth.

2. An apparatus for administering anesthetics comprising in combinationa mask a, of transparent material, a pneumatic ring 6 surrounding saidmask, a tube 0 leading into the center of the mask, a bladderf securedat the free end of the tube 0, a chamber d formed insaid tube 0 andadapted to receive the liquid anesthetic, a chamber 6 formed also in thetube 0, communicating with chamber cl and connecting the mask with thebladder, a valve f applied at the top of the chamber 6, a metal gauze 1"arranged at the end of the tube 0 next to the mask, two tubes 9 leadinginto the upper part of the tube 0 or chamber e, two glass tubes hcontaining the liquid anesthetic and arrangedv respectively in the tubeg, and a spring-rod i arranged on each tube 9, sub stantially as and forthe purpose set forth.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

ALBERT ROUSSEAU.

Witnesses:

ANTOINE LAvorx, H. C. Coxn.

